<template>
   <div>
       <h1>当前求和为:{{$store.state.sum}}</h1>
       <select v-model.number="n">
            <option value="1">1</option>
            <option value="2">2</option>
            <option value="3">3</option>
       </select>
       <button @click="increment">+</button>
       <button @click="derement">-</button>
       <button @click="incrementOdd">当前求和为奇数在加</button>
       <button @click="incrementWait">等一等在加</button>
   </div>
</template>

<script>
    export default {
       name:'Count',
       data(){
            return{
                n:1, //用户选择的数值
                
            }
        },
        methods:{
            increment(){
                this.$store.commit('JIA',this.n)
            },
            derement(){
                this.$store.commit('JIAN',this.n)
            },
            incrementOdd(){
                // if(this.$store.state.sum%2){
                //      this.$store.dispatch('jia',this.n)
                // }
                this.$store.dispatch('jiaOdd',this.n)
            },
            incrementWait(){
                // setTimeout(()=>{
                //     this.$store.dispatch('jia',this.n)
                // },500)
                this.$store.dispatch('jiaWait',this.n)
            }
        }
    }
</script>
<style scoped>
  button{
      margin-left: 5px;
  }
</style>
